| GRD02T2S0 |
Serpentinite
|
Anastomosing texture with serpentine weathering white on exterior. Appears to have bronzite within red patches. Trinity Ophiolite-Eunice Bluff Float |
California |
0 |
Ritter 154, 14 M |
| GRD02T8S0 |
Calcsilicate (Skarn)
|
Garnet-Calcite-Epidote-Quartz |
|
0 |
Ritter 154, 14 K |
| GRD02TZS0 |
Granulite
|
GA-PL granulite |
California |
1 |
Camp Elliott |
| GRD02UAS0 |
Serpentinite
|
GTN 95. Franciscan Melange |
California |
2 |
Camp Elliott |
| GRD02UDS0 |
Amphibolite
|
Pinto Gneiss, amphibolite. 11/28/96 |
California |
1 |
Ritter 154, 24 B |
| GRD02UGS0 |
Quartzofeldspathic
|
Quartzite(?) probably overlies the paragneiss |
California |
1 |
Ritter 154, 24 B |
| GRD02UHS0 |
Quartzite
|
Quartzite. ES-152 field trip |
California |
1 |
Camp Elliott |
| GRD02UPS0 |
Quartzite
|
Small sample of sugary quartzite with orange staining. Original Label: Shoofly Formation. GSA field trip 1999. Calc-Silicate Gneiss(?). |
California |
1 |
Camp Elliott |
| GRD02URS0 |
Calcsilicate (Skarn)
|
Garnet bearing skarn. Original Label : Contact hf. with garnets. |
California |
8 |
Ritter 154, 14 K |
| GRD02UTS0 |
Quartzite
|
Cadiz Quartzite. Medium-coarse grained, sub angular grains with hematite films between grains. Original description-Lower Cambrian quartzite. |
California |
3 |
Camp Elliott |
| GRD02UUS0 |
Pelitic
|
Bedford Canyon Shale, phyllitic |
California |
4 |
Ritter 154, 17 J |
| GRD02UWS0 |
Serpentinite
|
Pt Sal Ophiolite. Stop three serpentinite |
California |
6 |
Ritter 154, 29 F |
| GRD02V1S0 |
Serpentinite
|
Coast Range- Franciscan melange. Rte 41, 6 miles east of Morro Bay. Dike in serpentine(?) H2B. |
California |
2 |
Ritter 154, 14 M |
| GRD02VJS0 |
Marble
|
Marble w/ graphite, interlayered with amphibolite gneisses |
California |
0 |
Camp Elliott |
| GRD02VVS0 |
Quartzofeldspathic
|
Quartz and k-spar |
California |
0 |
Camp Elliott |
| GRD02WMS0 |
Quartzite
|
Meta-quartzite, intensely sheared, flattened and recrystallized. Muscovite has formed on shear planes. Protolith would have been nearly pure quartz sand with minor clay to form the muscovite |
California |
1 |
Camp Elliott |
| GRD02WXS0 |
Quartzite
|
Quartzite with relict bedding |
California |
0 |
Ritter 154, 14 L |
| GRD02X3S0 |
Serpentinite
|
Serpentinite(?). Location of origin and age unknown. |
California |
0 |
Ritter 154, 14 M |
| GRD02XES0 |
Greenschist
|
Greenstone. Underlies volcanics |
California |
0 |
Camp Elliott |
| GRD03Z3S0 |
Marble
|
Pink marble, fresh. Palm sized sample and a single billet |
Georgia |
0 |
Ritter 154, 14 J |
| GRD03Z7S0 |
Blueschist
|
Franciscan Complex. Garnet, glaucophane, lawsonite blueschist. (Large euhedral porphyroblasts of garnet and lawsonite enclose and are surrounded by glauconite and sphene prisms. Very clean rock) - W.G. Ernst |
California |
0 |
Ritter 154, 24 D |
| GRD0416S0 |
Quartzite
|
Stirling Formation. |
California |
0 |
Ritter 154, 14 L |
| GRD041LS0 |
Calcite Marble
|
Grand Rapids group. From UCLA Department of Geology |
Michigan |
1 |
Ritter 154, 14 J |
| GRD041US0 |
Amphibolite
|
Occurs as huge blocks in serpentinite. |
Puerto Rico |
0 |
Ritter 154, 29 L |
| GRD041VS0 |
Serpentinite
|
|
Puerto Rico |
0 |
Ritter 154, 29 L |
| GRD042IS0 |
Serpentinite
|
chromite bearing serpentinized ultramafic |
California |
0 |
Ritter 154, 20 K |
| GRD042WS0 |
Calcsilicate (Skarn)
|
contact between coarse, subhedral amphibolite and coarse grained pink calcite with ox |
Canada |
0 |
Ritter 154, 14 K |
| GRD0435S0 |
Amphibolite
|
Seminoe Mountain Greenstone Belt |
Wyoming |
0 |
Ritter 154, 14 G |
| GRD043DS0 |
Amphibolite
|
fresh amphibolite with grains ranging 1 to 2 mm |
New York |
0 |
Ritter 154, 14 G |
| GRD043ES0 |
Amphibolite
|
very fresh amphibolite sample with moderate lineation |
New York |
1 |
Ritter 154, 14 G |
